[Experiment] Blindfold Test — Output Differences Across 7 Materials and Side Effect Mapping

[Experiment] Blindfold Test — Output Differences Across 7 Materials and Side Effect Mapping

Conclusions First

  • blindfold tends to produce a black cloth blindfold, but color varies (2 out of 3 black, 1 white)
  • silk blindfold produces a satin-style sleep mask type, with a side effect of pulling the outfit toward Japanese traditional clothing (kimono) in all 3 images
  • black blindfold produces a black cloth blindfold with stable color and shape. More consistent color than plain blindfold
  • lace blindfold consistently produces white lace material with a semi-transparent floral pattern in all 3 images. Lace elements tend to spread to the outfit as well
  • leather blindfold is stable black leather material in all 3 images. No clothing side effects, making it a safe choice alongside black blindfold
  • velvet blindfold is consistently dark navy sleep mask type in all 3 images. No clothing side effects
  • cotton blindfold produces a white fleece-type sleep mask — interpreted as a fluffy material rather than flat cotton. Minimal clothing side effects

What This Article Covers

  • Differences in output when specifying blindfold material/color
  • Presence or absence of “side effects” where material tokens bleed into clothing (compared across 7 materials)
  • Prompts for stably producing a black blindfold
  • Identifying “safe” material tokens without side effects

Experiment Conditions

ParameterValue
Modelz-image-turbo (6B, photorealistic distillation)
Steps8
CFG1.0
Image Size1024×1024
Seeds3 types fixed: 42, 123, 789
VariableBlindfold specification only (1 variable)
Total images7 conditions × 3 seeds = 21 images

Base Prompt

Base Prompt
1girl, 32yo japanese actress, {VARIABLE}, standing, looking at viewer, bedroom

The {VARIABLE} section is replaced per condition.

Condition A: blindfold

Condition A
1girl, 32yo japanese actress, blindfold, standing, looking at viewer, bedroom
Seed 42Seed 123Seed 789
A seed42A seed123A seed789

Observations

  • 2 out of 3 (seed42, seed123) produced a black cloth blindfold. seed789 produced a white to cream colored cloth
  • The blindfold is wide in all images, covering both eyes in a band shape
  • seed42 ties at the back of the head; seed123 has the ends hanging down — variation in tying style
  • Outfits vary: seed42 blue striped pajama style, seed123 grey wrap dress style, seed789 grey tank top — no consistency

Condition B: silk blindfold

Condition B
1girl, 32yo japanese actress, silk blindfold, standing, looking at viewer, bedroom
Seed 42Seed 123Seed 789
B seed42B seed123B seed789

Observations

  • All 3 produced satin-finish glossy sleep mask type blindfolds. Clearly different shape from blindfold
  • Colors vary: seed42 is white/cream, seed123 is light blue, seed789 is pink/silver
  • Prominent side effect: All 3 outfits shifted to Japanese traditional wear (kimono/yukata). The “silk” token appears to affect the entire outfit
  • The surface is smooth, clearly distinguishable in texture from the cloth blindfold (Conditions A·C)

Condition C: black blindfold

Condition C
1girl, 32yo japanese actress, black blindfold, standing, looking at viewer, bedroom
Seed 42Seed 123Seed 789
C seed42C seed123C seed789

Observations

  • All 3 produced a black cloth blindfold. Color consistency is higher than plain blindfold
  • Shape is similar to Condition A — a band covering both eyes
  • seed123 has the blindfold ends hanging long, appearing like a scarf
  • Clothing side effects are not as prominent as Condition B. seed42 is blue striped shirt dress, seed123 is grey Japanese-style dress, seed789 is grey bodysuit — similar tendencies to Condition A

Condition D: lace blindfold

Condition D
1girl, 32yo japanese actress, lace blindfold, standing, looking at viewer, bedroom
Seed 42Seed 123Seed 789
D seed42D seed123D seed789

Observations

  • All 3 produced white lace material blindfolds. High consistency in both color and material
  • The lace has a floral pattern and is semi-transparent with skin faintly visible
  • All 3 tie at the side — consistent tying style
  • seed789 shows lace trim appearing on the neckline of the outfit — “lace” token bleeding into clothing

Experiment 2: Material Side Effect Mapping

Experiment 1 confirmed that silk causes kimono-type outfits and lace causes lace spreading to clothing. Testing whether other material tokens cause similar side effects.

Condition E: leather blindfold

Condition E
1girl, 32yo japanese actress, leather blindfold, standing, looking at viewer, bedroom
Seed 42Seed 123Seed 789
E seed42E seed123E seed789

Observations

  • All 3 produced black leather material blindfolds. Color is consistently black
  • seed42 shows metal rivets — leather accessory detail
  • seed42 and seed789 are wide band style; seed123 leans more toward sleep mask shape
  • Surface has a matte sheen, clearly different texture from cloth blindfold (A·C) or satin (B)
  • No clothing side effects confirmed in 0 out of 3. seed42 is grey rib knit dress, seed123 is grey tank dress, seed789 is striped long-sleeve top — no leather element bleed

Condition F: velvet blindfold

Condition F
1girl, 32yo japanese actress, velvet blindfold, standing, looking at viewer, bedroom
Seed 42Seed 123Seed 789
F seed42F seed123F seed789

Observations

  • All 3 produced dark navy velvet-style sleep masks. High consistency in color and shape
  • The surface shows a plush (stuffed animal-like) texture — clearly different from silk’s satin sheen (Condition B)
  • All 3 are three-dimensional sleep mask style, different from band-type blindfolds
  • No clothing side effects confirmed in 0 out of 3. seed42 is grey rib knit T-shirt + shorts, seed123 is grey tank dress, seed789 is striped long-sleeve top — no velvet element bleed

Condition G: cotton blindfold

Condition G
1girl, 32yo japanese actress, cotton blindfold, standing, looking at viewer, bedroom
Seed 42Seed 123Seed 789
G seed42G seed123G seed789

Observations

  • All 3 produced white fluffy sleep masks. Interpreted as fleece/boa-type raised material rather than flat cotton cloth
  • seed789 shows pompom decorations on both ends of the mask — a cute roomwear-style item
  • Color is white to cream across all 3 images
  • seed123’s outfit is a button-front light blue dress (roomwear style), slightly different tendency from other seeds’ casual wear — but this looks more like an overall roomwear composition shift rather than “cotton” material bleeding
  • No clear clothing side effects confirmed. “cotton” doesn’t carry the strong material association that silk does

Experiment 2 Summary: Material Side Effect Map

MaterialBlindfold ColorClothing Side EffectSide Effect Content
silkUnstable (white/blue/pink)LargeKimono/traditional wear shift
laceStable whiteMediumLace elements bleed to clothing
leatherStable blackNone
velvetStable navyNone
cottonStable whiteNone
  • “Safe” materials without side effects: leather, velvet, cotton — no clothing bleed confirmed in all 3
  • Materials with side effects: only silk (kimono shift) and lace (lace bleed)
  • What silk and lace have in common is a strong association as clothing fabrics. Leather, velvet, and cotton affect blindfold texture but don’t bleed to clothing

Summary

Cross Comparison (Same Seed) — Experiment 1

ConditionSeed 42Seed 123Seed 789
blindfold
silk blindfold
black blindfold
lace blindfold

Cross Comparison (Same Seed) — Experiment 2

ConditionSeed 42Seed 123Seed 789
leather blindfold
velvet blindfold
cotton blindfold

All 7 Conditions Feature Summary

ConditionColor StabilityShapeTextureClothing Side Effect
blindfoldLow (black 2/white 1)BandClothNone
silk blindfoldLow (white/blue/pink)Sleep mask typeSatin sheenLarge (kimono shift)
black blindfoldHigh (black 3/3)BandClothNone
lace blindfoldHigh (white 3/3)Band (side-tied)Semi-transparent laceMedium (lace bleed)
leather blindfoldHigh (black 3/3)BandMatte leatherNone
velvet blindfoldHigh (navy 3/3)Sleep mask typeRaised plushNone
cotton blindfoldHigh (white 3/3)Sleep mask typeFleece/boaNone

Practical Points

  • For a stable black blindfold: black blindfold or leather blindfold are optimal. Both are black 3/3 with no side effects
  • For a satin-style elegant blindfold: silk blindfold works, but beware of the side effect of outfits shifting to traditional Japanese wear
  • For lace blindfold: lace blindfold has high reproducibility with stable semi-transparent delicate rendering, but lace elements may bleed to clothing
  • For velvet blindfold: velvet blindfold stably produces dark navy sleep masks. No side effects
  • For fluffy blindfold: cotton blindfold produces white fleece-type. Note that it doesn’t produce flat cotton cloth
  • Material token side effects are only from silk and lace. Leather, velvet, and cotton affect blindfold texture but don’t bleed to clothing — safe to use

Applied: Film Noir Blindfold Portrait

With black silk blindfold stability confirmed, here’s an applied example adding bondage elements and film noir lighting.

Applied Prompt
1girl, 32yo japanese actress, black silk blindfold, black lingerie, hands tied behind back with silk ribbon, sitting on bed edge, white sheets, Rembrandt lighting from window, parted lips, film noir aesthetic, high contrast

Key differences from the test prompt:

  • standing, looking at viewer, bedroomsitting on bed edge, white sheets for specific pose and setting
  • Added hands tied behind back with silk ribbon for silk ribbon bondage
  • Added Rembrandt lighting from window for dramatic window lighting
  • Added film noir aesthetic, high contrast for monochrome/sepia color grading
NSFW - クリックで表示
seed=9910seed=9911seed=9912
Film noir blindfold, window lightSilk ribbon bondage, back viewRembrandt lighting, profile

Observations: film noir aesthetic produced sepia/low-saturation tones in 2/3. Rembrandt lighting from window reflected in 3/3 with dramatic wall shadows. hands tied behind back with silk ribbon reproduced in 3/3 — very high reliability. The silk kimono side-effect was avoided (0/3) by explicitly specifying black lingerie. Back-facing angles appeared in 2/3 (the model naturally turns to show bound hands).

For more dramatic Rembrandt lighting examples, see the dedicated showcase article.

Lab Director Comment: That leather blindfold with rivets is absolutely perfect. Black leather with rivets is just peak fetish aesthetics. And it’s 3/3 stable with no side effects — practically flawless. The velvet being consistently navy with great texture is also solid. Leather and velvet are confirmed safe to use without worry. On the flip side, silk pulling all 3 outfits into traditional Japanese wear — that’s probably a japanese actress synergy thing working way too hard. And cotton blindfold turning into a fluffy sleep mask… where did the cotton go?